Distance Education - 2004 Ohland, M. W., Frillman, S. A., Zhang, G., Brawner, C. E., & Miller, T. K., III. (2004). The Effect of an Entrepreneurship Program on GPA and Retention*. Journal of Engineering Education, 93(4), 293–301. https://doi.org/10.1002/j.2168-9830.2004.tb00818.x